Home / 26,169.86-39,231.39-9,518.15

Finding the Fourth Proportional to 26,169.86, 39,231.39 and 9,518.15

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Solution

The fourth proportional to 26,169.86, 39,231.39 and 9,518.15 is: 14,268.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,169.86 : 39,231.39 = 9,518.15 : x
  2. Step 2: Convert to fraction form
    26,169.86/39,231.39 = 9,518.15/x
  3. Step 3: Cross multiply
    26,169.86x = 39,231.39 × 9,518.15
  4. Step 4: Simplify right side
    26,169.86x = 373,410,254.73
  5. Step 5: Solve for x
    x = 373,410,254.73/26,169.86
  6. Step 6: Final answer
    x = 14,268.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.